Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 55: Neutrinophysik III

T 55.7: Vortrag

Mittwoch, 27. März 2019, 17:45–18:00, H05

Measuring the atmospheric neutrino to antineutrino flux ratio with IceCube DeepCore — •Lasse Halve, Marvin Beck, Christian Haack, Martin Leuermann, Saskia Philippen, Jöran Stettner, and Christopher Wiebusch for the IceCube collaboration — III. Physikalisches Institut B, RWTH Aachen

The IceCube Neutrino Observatory, located at the geographic South Pole, measures neutrinos and antineutrinos produced in cosmic-ray showers in the atmosphere. Neutrinos and antineutrinos cannot be distinguished on an event-to-event basis within IceCube, but follow different distributions of the inelasticity parameter y in deep inelastic scattering. We present first results from a novel analysis, based on a new reconstruction of y with machine-learning methods, which measures the energy dependent νν flux ratio between 50 GeV and 300 GeV.

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